@Override
protected void configureBroker(BrokerService answer,String uri) throws Exception {
File dataFileDir = new File("target/test-amq-data/perfTest/kahadb");
File archiveDir = new File(dataFileDir,"archive");
KahaDBPersistenceAdapter kaha = new KahaDBPersistenceAdapter();
kaha.setDirectory(dataFileDir);
kaha.setDirectoryArchive(archiveDir);
kaha.setArchiveDataLogs(false);
// The setEnableJournalDiskSyncs(false) setting is a little dangerous right now, as I have not verified
// what happens if the index is updated but a journal update is lost.
// Index is going to be in consistent, but can it be repaired?
kaha.setEnableJournalDiskSyncs(true);
// Using a bigger journal file size makes he take fewer spikes as it is not switching files as often.
//kaha.setJournalMaxFileLength(1024*1024*100);
// small batch means more frequent and smaller writes
//kaha.setIndexWriteBatchSize(100);
// do the index write in a separate thread
kaha.setEnableIndexWriteAsync(true);
kaha.setIndexCacheSize(10000);
answer.setPersistenceAdapter(kaha);
answer.addConnector(uri);
answer.setDeleteAllMessagesOnStartup(true);